9060eb1528
Bug: webrtc:8278 Change-Id: I20a4388ab347d8745d0edde808f7a0b610f077f9 Reviewed-on: https://webrtc-review.googlesource.com/31484 Commit-Queue: Magnus Jedvert <magjed@webrtc.org> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21227}
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "sdk/android/src/jni/pc/mediaconstraints.h"
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#include "rtc_base/ptr_util.h"
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#include "sdk/android/generated_peerconnection_jni/jni/MediaConstraints_jni.h"
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#include "sdk/android/src/jni/jni_helpers.h"
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namespace webrtc {
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namespace jni {
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namespace {
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// Helper for translating a List<Pair<String, String>> to a Constraints.
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MediaConstraintsInterface::Constraints PopulateConstraintsFromJavaPairList(
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JNIEnv* env,
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jobject j_list) {
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MediaConstraintsInterface::Constraints constraints;
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for (jobject entry : Iterable(env, j_list)) {
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jstring j_key = Java_KeyValuePair_getKey(env, entry);
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jstring j_value = Java_KeyValuePair_getValue(env, entry);
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constraints.emplace_back(JavaToStdString(env, j_key),
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JavaToStdString(env, j_value));
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}
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return constraints;
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}
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// Wrapper for a Java MediaConstraints object. Copies all needed data so when
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// the constructor returns the Java object is no longer needed.
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class MediaConstraintsJni : public MediaConstraintsInterface {
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public:
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MediaConstraintsJni(JNIEnv* env, jobject j_constraints)
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: mandatory_(PopulateConstraintsFromJavaPairList(
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env,
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Java_MediaConstraints_getMandatory(env, j_constraints))),
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optional_(PopulateConstraintsFromJavaPairList(
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env,
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Java_MediaConstraints_getOptional(env, j_constraints))) {}
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virtual ~MediaConstraintsJni() = default;
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// MediaConstraintsInterface.
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const Constraints& GetMandatory() const override { return mandatory_; }
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const Constraints& GetOptional() const override { return optional_; }
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private:
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const Constraints mandatory_;
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const Constraints optional_;
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};
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} // namespace
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std::unique_ptr<MediaConstraintsInterface> JavaToNativeMediaConstraints(
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JNIEnv* env,
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jobject j_constraints) {
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return rtc::MakeUnique<MediaConstraintsJni>(env, j_constraints);
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}
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} // namespace jni
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} // namespace webrtc
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